Base | Representation |
---|---|
bin | 101010100011101… |
… | …1010110100110001 |
3 | 10200112001100001010 |
4 | 1111013122310301 |
5 | 10411032230431 |
6 | 353411101133 |
7 | 50246604222 |
oct | 12507326461 |
9 | 3615040033 |
10 | 1428008241 |
11 | 673089800 |
12 | 33a2a17a9 |
13 | 199b06cba |
14 | d7923249 |
15 | 85578846 |
hex | 551dad31 |
1428008241 has 12 divisors (see below), whose sum is σ = 2092839056. Its totient is φ = 865459320.
The previous prime is 1428008221. The next prime is 1428008269.
1428008241 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 1428008241 - 29 = 1428007729 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1428008199 and 1428008208.
It is not an unprimeable number, because it can be changed into a prime (1428008221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1966591 + ... + 1967316.
Almost surely, 21428008241 is an apocalyptic number.
1428008241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1428008241 is a deficient number, since it is larger than the sum of its proper divisors (664830815).
1428008241 is a wasteful number, since it uses less digits than its factorization.
1428008241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3933932 (or 3933921 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 30.
The square root of 1428008241 is about 37788.9962952180. The cubic root of 1428008241 is about 1126.0998602685.
The spelling of 1428008241 in words is "one billion, four hundred twenty-eight million, eight thousand, two hundred forty-one".
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